Home / 9,076.88-13,615.80-2,921.04

Finding the Fourth Proportional to 9,076.88, 13,615.80 and 2,921.04

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Solution

The fourth proportional to 9,076.88, 13,615.80 and 2,921.04 is: 4,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.88 : 13,615.80 = 2,921.04 : x
  2. Step 2: Convert to fraction form
    9,076.88/13,615.80 = 2,921.04/x
  3. Step 3: Cross multiply
    9,076.88x = 13,615.80 × 2,921.04
  4. Step 4: Simplify right side
    9,076.88x = 39,772,296.43
  5. Step 5: Solve for x
    x = 39,772,296.43/9,076.88
  6. Step 6: Final answer
    x = 4,381.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.